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The Morphologies, Defects, and Impurities of Diamonds in the Zapolyarnaya Pipe

Authors
  • Vyatkin, S. V.1
  • Kriulina, G. Yu.1
  • Garanin, V. K.2
  • Konogorova, D. V.3
  • Vasil’ev, E. A.4
  • Samosorov, G. G.1
  • 1 Department of Geology, Moscow State University, Moscow, 119991, Russia , Moscow (Russia)
  • 2 Fersman Mineralogical Museum, Moscow, 119071, Russia , Moscow (Russia)
  • 3 PAO ALROSA Geo-Scientific Research Enterprise (NIGP), Mirny, Republic of Sakha (Yakutia), 678170, Russia , Mirny (Russia)
  • 4 St. Petersburg Mining University, St Petersburg, 199106, Russia , St Petersburg (Russia)
Type
Published Article
Journal
Moscow University Geology Bulletin
Publisher
Pleiades Publishing
Publication Date
Mar 01, 2021
Volume
76
Issue
2
Pages
204–214
Identifiers
DOI: 10.3103/S0145875221020149
Source
Springer Nature
Keywords
Disciplines
  • Article
License
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Abstract

AbstractA representative collection of Zapolyarnaya pipe diamonds of the first commercial production batch has been studied by the IR, PL, and EPR morphological analysis methods. The medium–low-N diamonds are the most similar to Daldyn–Alakit diamonds (Yakutia) in terms of their composition and ratios of impurity centers. The typomorphic features of the Zapolyarnaya pipe diamonds include the predominance of curve-faced dodecahedroids, highly developed dissolution, etching, and plastic deformation processes, an almost maximum content of B2 IR defects, a minimum of H, and widespread W7 paramagnetic centers.

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